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Finding the Fourth Proportional to 366,881.55, 505,864.35 and 339,675.27

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Solution

The fourth proportional to 366,881.55, 505,864.35 and 339,675.27 is: 468,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,881.55 : 505,864.35 = 339,675.27 : x
  2. Step 2: Convert to fraction form
    366,881.55/505,864.35 = 339,675.27/x
  3. Step 3: Cross multiply
    366,881.55x = 505,864.35 × 339,675.27
  4. Step 4: Simplify right side
    366,881.55x = 171,829,609,669.63
  5. Step 5: Solve for x
    x = 171,829,609,669.63/366,881.55
  6. Step 6: Final answer
    x = 468,351.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.